/*
 * Copyright 2007-2009 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. 
 * 
 * Project: gtinyurl
 */
package org.gnut.tinyurl.portlet.tag;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;

/**
 * 
 * @author tungt
 * 
 */
public class TinyUrl extends TagSupport {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1562446880458261020L;
	public static final String PORTLET_TAG_SUPPORT_CLASS = "org.gnut.tinyurl.portlet.tag.PortletTagSupport";
	public static final String SERVLET_TAG_SUPPORT_CLASS = "org.gnut.tinyurl.portlet.tag.ServletTagSupport";
	public static final String PORTLET_CONFIG_ATTRIBUTE = "javax.portlet.config";
	public static final String PORTLET_CONFIG_CLASS = "javax.portlet.PortletConfig";

	UrlTagSupport urlTagSupport = null;
	private String uri;
	private boolean resource = false;

	/**
	 * 
	 * @return
	 */
	public String getUri() {
		return uri;
	}

	/**
	 * 
	 * @param uri
	 */
	public void setUri(String uri) {
		this.uri = uri;
	}

	/**
	 * 
	 * @return
	 */
	public boolean isResource() {
		return resource;
	}

	/**
	 * 
	 * @param resource
	 */
	public void setResource(boolean resource) {
		this.resource = resource;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.servlet.jsp.tagext.TagSupport#doStartTag()
	 */
	public int doStartTag() throws JspException {
		HttpServletRequest request = (HttpServletRequest) pageContext
				.getRequest();
		HttpServletResponse response = (HttpServletResponse) pageContext
				.getResponse();
		try {
			urlTagSupport = org.gnut.tinyurl.portlet.servlet.TinyUrl
					.createUrlTagSupport(request, response, urlTagSupport);
			pageContext.getOut().write(
					urlTagSupport.createUrl(request, response, resource, uri));
		} catch (Exception e) {
			throw new JspException(e);
		}
		return TagSupport.SKIP_BODY;
	}
}
